AL3 5 postcode sector in the AL3 district

AL3 5 is a sector of the AL3 district: every postcode that starts AL3 5. It has 232 postcodes in use, 7 of them large-user postcodes. A large-user postcode is one Royal Mail gives to a single address that gets a lot of mail.

Not sure what a sector is? UK postcode format explained.

Every postcode in the AL3 5 sector, by flood risk

Map of every postcode in the AL3 5 sector, by flood risk Of the 232 postcodes in the AL3 5 sector that ONS places, 232 are not on the Environment Agency's at-risk list. 2 postcodes lie beyond the edge and are listed under the map. Places named: St Albans. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A1081 AL3 5AB: not on the flood risk listAL3 5AD: not on the flood risk listAL3 5AE: not on the flood risk listAL3 5AH: not on the flood risk listAL3 5AJ: not on the flood risk listAL3 5AL: not on the flood risk listAL3 5AN: not on the flood risk listAL3 5AP: not on the flood risk listAL3 5AS: not on the flood risk listAL3 5AT: not on the flood risk listAL3 5AU: not on the flood risk listAL3 5AW: not on the flood risk listAL3 5AX: not on the flood risk listAL3 5AY: not on the flood risk listAL3 5AZ: not on the flood risk listAL3 5BA: not on the flood risk listAL3 5BE: not on the flood risk listAL3 5BG: not on the flood risk listAL3 5BH: not on the flood risk listAL3 5BJ: not on the flood risk listAL3 5BN: not on the flood risk listAL3 5BP: not on the flood risk listAL3 5BT: not on the flood risk listAL3 5BU: not on the flood risk listAL3 5BX: not on the flood risk listAL3 5BY: not on the flood risk listAL3 5BZ: not on the flood risk listAL3 5DD: not on the flood risk listAL3 5DG: not on the flood risk listAL3 5DL: not on the flood risk listAL3 5DP: not on the flood risk listAL3 5DQ: not on the flood risk listAL3 5DR: not on the flood risk listAL3 5DU: not on the flood risk listAL3 5DW: not on the flood risk listAL3 5EA: not on the flood risk listAL3 5EB: not on the flood risk listAL3 5ED: not on the flood risk listAL3 5EE: not on the flood risk listAL3 5EG: not on the flood risk listAL3 5EH: not on the flood risk listAL3 5EJ: not on the flood risk listAL3 5EL: not on the flood risk listAL3 5EN: not on the flood risk listAL3 5EP: not on the flood risk listAL3 5ER: not on the flood risk listAL3 5ES: not on the flood risk listAL3 5EU: not on the flood risk listAL3 5EW: not on the flood risk listAL3 5EX: not on the flood risk listAL3 5FA: not on the flood risk listAL3 5FB: not on the flood risk listAL3 5FD: not on the flood risk listAL3 5FE: not on the flood risk listAL3 5FF: not on the flood risk listAL3 5FG: not on the flood risk listAL3 5HB: not on the flood risk listAL3 5HE: not on the flood risk listAL3 5HJ: not on the flood risk listAL3 5HL: not on the flood risk listAL3 5HN: not on the flood risk listAL3 5HP: not on the flood risk listAL3 5HR: not on the flood risk listAL3 5HS: not on the flood risk listAL3 5HT: not on the flood risk listAL3 5HU: not on the flood risk listAL3 5HW: not on the flood risk listAL3 5HX: not on the flood risk listAL3 5JA: not on the flood risk listAL3 5JB: not on the flood risk listAL3 5JD: not on the flood risk listAL3 5JE: not on the flood risk listAL3 5JF: not on the flood risk listAL3 5JG: not on the flood risk listAL3 5JH: not on the flood risk listAL3 5JJ: not on the flood risk listAL3 5JL: not on the flood risk listAL3 5JN: not on the flood risk listAL3 5JP: not on the flood risk listAL3 5JQ: not on the flood risk listAL3 5JR: not on the flood risk listAL3 5JS: not on the flood risk listAL3 5JT: not on the flood risk listAL3 5JU: not on the flood risk listAL3 5JW: not on the flood risk listAL3 5JX: not on the flood risk listAL3 5JY: not on the flood risk listAL3 5JZ: not on the flood risk listAL3 5LA: not on the flood risk listAL3 5LB: not on the flood risk listAL3 5LD: not on the flood risk listAL3 5LE: not on the flood risk listAL3 5LF: not on the flood risk listAL3 5LG: not on the flood risk listAL3 5LH: not on the flood risk listAL3 5LJ: not on the flood risk listAL3 5LL: not on the flood risk listAL3 5LN: not on the flood risk listAL3 5LP: not on the flood risk listAL3 5LQ: not on the flood risk listAL3 5LR: not on the flood risk listAL3 5LS: not on the flood risk listAL3 5LT: not on the flood risk listAL3 5LU: not on the flood risk listAL3 5LW: not on the flood risk listAL3 5LX: not on the flood risk listAL3 5LY: not on the flood risk listAL3 5LZ: not on the flood risk listAL3 5NA: not on the flood risk listAL3 5NB: not on the flood risk listAL3 5ND: not on the flood risk listAL3 5NE: not on the flood risk listAL3 5NF: not on the flood risk listAL3 5NG: not on the flood risk listAL3 5NH: not on the flood risk listAL3 5NJ: not on the flood risk listAL3 5NL: not on the flood risk listAL3 5NN: not on the flood risk listAL3 5NP: not on the flood risk listAL3 5NQ: not on the flood risk listAL3 5NR: not on the flood risk listAL3 5NS: not on the flood risk listAL3 5NT: not on the flood risk listAL3 5NU: not on the flood risk listAL3 5NW: not on the flood risk listAL3 5NZ: not on the flood risk listAL3 5PA: not on the flood risk listAL3 5PB: not on the flood risk listAL3 5PD: not on the flood risk listAL3 5PE: not on the flood risk listAL3 5PH: not on the flood risk listAL3 5PJ: not on the flood risk listAL3 5PL: not on the flood risk listAL3 5PN: not on the flood risk listAL3 5PP: not on the flood risk listAL3 5PQ: not on the flood risk listAL3 5PR: not on the flood risk listAL3 5PS: not on the flood risk listAL3 5PT: not on the flood risk listAL3 5PU: not on the flood risk listAL3 5PW: not on the flood risk listAL3 5PX: not on the flood risk listAL3 5PY: not on the flood risk listAL3 5PZ: not on the flood risk listAL3 5QA: not on the flood risk listAL3 5QB: not on the flood risk listAL3 5QD: not on the flood risk listAL3 5QE: not on the flood risk listAL3 5QF: not on the flood risk listAL3 5QG: not on the flood risk listAL3 5QH: not on the flood risk listAL3 5QJ: not on the flood risk listAL3 5QL: not on the flood risk listAL3 5QN: not on the flood risk listAL3 5QP: not on the flood risk listAL3 5QQ: not on the flood risk listAL3 5QS: not on the flood risk listAL3 5QT: not on the flood risk listAL3 5QU: not on the flood risk listAL3 5QW: not on the flood risk listAL3 5QX: not on the flood risk listAL3 5QY: not on the flood risk listAL3 5RA: not on the flood risk listAL3 5RB: not on the flood risk listAL3 5RD: not on the flood risk listAL3 5RE: not on the flood risk listAL3 5RF: not on the flood risk listAL3 5RG: not on the flood risk listAL3 5RH: not on the flood risk listAL3 5RJ: not on the flood risk listAL3 5RL: not on the flood risk listAL3 5RN: not on the flood risk listAL3 5RP: not on the flood risk listAL3 5RQ: not on the flood risk listAL3 5RR: not on the flood risk listAL3 5RS: not on the flood risk listAL3 5RT: not on the flood risk listAL3 5RU: not on the flood risk listAL3 5RW: not on the flood risk listAL3 5RX: not on the flood risk listAL3 5RY: not on the flood risk listAL3 5RZ: not on the flood risk listAL3 5SA: not on the flood risk listAL3 5SB: not on the flood risk listAL3 5SD: not on the flood risk listAL3 5SE: not on the flood risk listAL3 5SF: not on the flood risk listAL3 5SG: not on the flood risk listAL3 5SH: not on the flood risk listAL3 5SQ: not on the flood risk listAL3 5SS: not on the flood risk listAL3 5SU: not on the flood risk listAL3 5SW: not on the flood risk listAL3 5SX: not on the flood risk listAL3 5SY: not on the flood risk listAL3 5SZ: not on the flood risk listAL3 5TA: not on the flood risk listAL3 5TB: not on the flood risk listAL3 5TD: not on the flood risk listAL3 5TE: not on the flood risk listAL3 5TF: not on the flood risk listAL3 5TG: not on the flood risk listAL3 5TH: not on the flood risk listAL3 5TJ: not on the flood risk listAL3 5TL: not on the flood risk listAL3 5TN: not on the flood risk listAL3 5TP: not on the flood risk listAL3 5TQ: not on the flood risk listAL3 5TR: not on the flood risk listAL3 5TS: not on the flood risk listAL3 5TT: not on the flood risk listAL3 5TU: not on the flood risk listAL3 5TW: not on the flood risk listAL3 5TX: not on the flood risk listAL3 5TY: not on the flood risk listAL3 5TZ: not on the flood risk listAL3 5UA: not on the flood risk listAL3 5UB: not on the flood risk listAL3 5UD: not on the flood risk listAL3 5UE: not on the flood risk listAL3 5UF: not on the flood risk listAL3 5UH: not on the flood risk listAL3 5UJ: not on the flood risk listAL3 5UL: not on the flood risk listAL3 5UN: not on the flood risk listAL3 5UP: not on the flood risk listAL3 5UQ: not on the flood risk listAL3 5UT: not on the flood risk listAL3 5UW: not on the flood risk list St Albans Map of every postcode in the AL3 5 sector, by flood risk Of the 232 postcodes in the AL3 5 sector that ONS places, 232 are not on the Environment Agency's at-risk list. 2 postcodes lie beyond the edge and are listed under the map. Places named: St Albans. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. St Albans
  • A home or business at high risk: 0
  • At medium risk at worst: 0
  • At low risk at worst: 0
  • At very low risk only: 0
  • Not on the at-risk list: 232

Of the 232 postcodes in the AL3 5 sector that ONS places, 232 are not on the Environment Agency's at-risk list.

Each mark is a postcode's centre point as ONS gives it, not a building. Press one to see its postcode and open its page. No boundary is drawn. Where marks overlap, the one first in the key is drawn; the counts include every postcode.

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode; flood risk: Environment Agency, published 6 July 2026; roads, rivers and built-up areas: Contains OS data © Crown copyright and database right 2026. Drawn by us. Street map: Ordnance Survey, OS Open Zoomstack, Open Government Licence v3.0, drawn with MapLibre. How we use them

2 further out, not drawn

These postcodes lie well apart from the rest, so the map is drawn without them to show the rest closer; they are in every count.

AL3 5HYAL3 5XA

What do homes sell for in AL3 5?

Homes in AL3 5 sold for a typical £650,000 in the 12 months to August 2026, across 89 sales, down 10.3% on the 12 months before, HM Land Registry's figures show.

£650,000 typical price, the 12 months to August 2026
£725,000 12 months to August 2025
▼ down 10.3% on the 12 months before
  • Detached £995,000 9 sales
  • Semi-detached £697,500 18 sales
  • Terraced £640,000 52 sales
  • Flat or maisonette £343,750 10 sales

Each bar is that kind's typical price, against the most expensive kind here.

Standard sales of homes at market value at the postcodes that start AL3 5. A typical price is the median, the middle sale, given from 5 sales or more.

How we work this out: house prices by postcode

Source: HM Land Registry Price Paid Data, files dated 28 September 2026. Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0. How we use it

Postcodes in AL3 5

Pick a postcode to see its council and MP, broadband, flood risk, what homes sell for, council tax, the nearest schools and stations, and crime around it.

AL3 5ABAL3 5ADAL3 5AEAL3 5AHAL3 5AJAL3 5ALAL3 5ANAL3 5APAL3 5ASAL3 5ATAL3 5AUAL3 5AWAL3 5AXAL3 5AYAL3 5AZAL3 5BAAL3 5BEAL3 5BGAL3 5BHAL3 5BJAL3 5BNAL3 5BPAL3 5BTAL3 5BUAL3 5BXAL3 5BYAL3 5BZAL3 5DDAL3 5DGAL3 5DLAL3 5DPAL3 5DQAL3 5DRAL3 5DUAL3 5DWAL3 5EAAL3 5EBAL3 5EDAL3 5EEAL3 5EGAL3 5EHAL3 5EJAL3 5ELAL3 5ENAL3 5EPAL3 5ERAL3 5ESAL3 5EUAL3 5EWAL3 5EXAL3 5FAAL3 5FBAL3 5FDAL3 5FEAL3 5FFAL3 5FGAL3 5HBAL3 5HEAL3 5HJAL3 5HLAL3 5HNAL3 5HPAL3 5HRAL3 5HSAL3 5HTAL3 5HUAL3 5HWAL3 5HXAL3 5HYAL3 5JAAL3 5JBAL3 5JDAL3 5JEAL3 5JFAL3 5JGAL3 5JHAL3 5JJAL3 5JLAL3 5JNAL3 5JPAL3 5JQAL3 5JRAL3 5JSAL3 5JTAL3 5JUAL3 5JWAL3 5JXAL3 5JYAL3 5JZAL3 5LAAL3 5LBAL3 5LDAL3 5LEAL3 5LFAL3 5LGAL3 5LHAL3 5LJAL3 5LLAL3 5LNAL3 5LPAL3 5LQAL3 5LRAL3 5LSAL3 5LTAL3 5LUAL3 5LWAL3 5LXAL3 5LYAL3 5LZAL3 5NAAL3 5NBAL3 5NDAL3 5NEAL3 5NFAL3 5NGAL3 5NHAL3 5NJAL3 5NLAL3 5NNAL3 5NPAL3 5NQAL3 5NRAL3 5NSAL3 5NTAL3 5NUAL3 5NWAL3 5NZAL3 5PAAL3 5PBAL3 5PDAL3 5PEAL3 5PHAL3 5PJAL3 5PLAL3 5PNAL3 5PPAL3 5PQAL3 5PRAL3 5PSAL3 5PTAL3 5PUAL3 5PWAL3 5PXAL3 5PYAL3 5PZAL3 5QAAL3 5QBAL3 5QDAL3 5QEAL3 5QFAL3 5QGAL3 5QHAL3 5QJAL3 5QLAL3 5QNAL3 5QPAL3 5QQAL3 5QSAL3 5QTAL3 5QUAL3 5QWAL3 5QXAL3 5QYAL3 5RAAL3 5RBAL3 5RDAL3 5REAL3 5RFAL3 5RGAL3 5RHAL3 5RJAL3 5RLAL3 5RNAL3 5RPAL3 5RQAL3 5RRAL3 5RSAL3 5RTAL3 5RUAL3 5RWAL3 5RXAL3 5RYAL3 5RZAL3 5SAAL3 5SBAL3 5SDAL3 5SEAL3 5SFAL3 5SGAL3 5SHAL3 5SQAL3 5SSAL3 5SUAL3 5SWAL3 5SXAL3 5SYAL3 5SZAL3 5TAAL3 5TBAL3 5TDAL3 5TEAL3 5TFAL3 5TGAL3 5THAL3 5TJAL3 5TLAL3 5TNAL3 5TPAL3 5TQAL3 5TRAL3 5TSAL3 5TTAL3 5TUAL3 5TWAL3 5TXAL3 5TYAL3 5TZAL3 5UAAL3 5UBAL3 5UDAL3 5UEAL3 5UFAL3 5UHAL3 5UJAL3 5ULAL3 5UNAL3 5UPAL3 5UQAL3 5USAL3 5UTAL3 5UWAL3 5XA

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. Postcodes that have ended are not listed. See all our data sources

What council am I in? The council, borough or local authority for a postcode, and the county council where there is one. What ward am I in? The ward for a postcode, with its council, constituency and parish.

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